CN106979743B - A kind of landslide depth big displacement adaptive monitoring system and method - Google Patents
A kind of landslide depth big displacement adaptive monitoring system and method Download PDFInfo
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- CN106979743B CN106979743B CN201710256988.1A CN201710256988A CN106979743B CN 106979743 B CN106979743 B CN 106979743B CN 201710256988 A CN201710256988 A CN 201710256988A CN 106979743 B CN106979743 B CN 106979743B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/04—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- General Life Sciences & Earth Sciences (AREA)
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
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Abstract
The invention discloses a kind of landslide depth big displacement adaptive monitoring systems, multiple space position indicators are mounted in spiral test tube, spiral test tube is inserted into bedrock surface from slip mass, the bottom end of spiral test tube is fixed in bedrock surface, the spiral test tube includes several integrally formed pipeloops, adjacent pipeloop is in original state and tight, and the gap when slip mass is subjected to displacement between pipeloop and adjacent pipeloop becomes larger and the length of tensile coil test tube, according to the variation of the length of spiral test tube change in location occurs for multiple space position indicators, and export Spectral Characteristic, the Spectral Characteristic of multiple space position indicator outputs is sent to detecting module by ultrasonic signal, the detecting module receives the ultrasonic signal of multiple space position indicators, and obtain the space coordinate of multiple space position indicators by analyzing ultrasonic signal.The invention also includes a kind of landslide depth big displacement self-adaptive monitoring methods.The present invention adapts to landslide depth large deformation, flexible strong, is not easy to lose, monitoring precision is high.
Description
Technical field
The present invention relates to landslide monitoring field more particularly to a kind of landslide depth big displacement adaptive monitoring system and sides
Method.
Background technology
Landslide is a kind of interior serious geological disaster of harm of global range, with increased, the cunning of Human dried bloodstains
Slope geological disaster also becomes increasingly to take place frequently, caused by lose it is also increasing.In order to effectively prevent landslide, domestic and foreign scholars and
Engineering staff has carried out a large amount of experimental study to landslide, and attempts to carry out prediction to it.The displacement monitoring on landslide is real
The long-term, important foundation of lin-gang new city and important a content and means of landslide disaster monitoring in now coming down.
Existing common landslide displacement monitoring means are earth's surface GPS, TDR technology, flush type laying optical fiber and deviational survey hole position
Shift measurement, GPS displacement measurements can only be directed to the deformation measurement of earth's surface single-point, cannot complete the measurement of below ground local deformation；
The brand-new materials technology measurement accuracy such as TDR technologies, flush type laying optical fiber and reliability be not high, is easily cut；The displacement of deviational survey hole
Measurement be widely accepted in existing measurement means and can more actual response Landslide Deformation measurement method, but the measurement method
It takes time and effort and measurement result also can be because the difference in operation of different operation personnel generates larger random error, and it faces on landslide
When sliding state due to inclinometer pipe deformation is larger can not data measured, landslide big displacement deformation monitoring is not adapted to, moreover, with sliding
When slope big displacement occurs, many detecting systems are destroyed, and then ineffective.
Invention content
Stablize in view of this, being used the embodiment provides a kind of system, under big displacement state, remains to normal
The landslide depth big displacement adaptive monitoring system and method used.
The embodiment of the present invention provides a kind of landslide depth big displacement adaptive monitoring system, including spiral test tube, multiple
Space position indicator and detecting module, multiple space position indicators are mounted in spiral test tube, and the spiral test tube is inserted into from slip mass
The bottom end of bedrock surface, the spiral test tube is fixed in bedrock surface, and the spiral test tube includes several integrally formed pipeloops, phase
Adjacent pipeloop is in the initial state and tight, and the gap when slip mass is subjected to displacement between pipeloop and adjacent pipeloop becomes larger and draws
The length of spiral test tube is stretched, according to the variation of the length of spiral test tube change in location occurs for multiple space position indicators, and exports
The Spectral Characteristic of output is sent to detecting module, the detection by Spectral Characteristic, multiple space position indicators by ultrasonic signal
Module receives the ultrasonic signal of multiple space position indicators, and obtains the sky of multiple space position indicators by analyzing ultrasonic signal
Between coordinate, the space coordinate by analyzing multiple space position indicators obtains the spatial sequence data of spiral test tube, and then obtains spiral shell
The situation of change for revolving test tube, further obtains the misalignment of slip mass.
Further, the displacement measurement accuracy positive correlation of the quantity of the space position indicator and slip mass, the space orientation
Instrument is in axial direction uniformly distributed in spiral test tube, passes through cable electricity between the space position indicator and adjacent space position indicator
Property connection.
Further, the making material of the spiral test tube is steel wire reinforcement polyurethane.
Further, the bottom end of the spiral test tube is fixed on 0.5m or less in bedrock surface.
Further, the multiple space position indicator connects power supply by cable, and the power supply is supplied to multiple space position indicators
Electricity.
Further, in the earth's surface of slip mass, the upper end of the spiral test tube is inserted in linking axis on the top of the spiral test tube
In holding, the exposed part of the spiral test tube is fixed in monitoring pier, and the monitoring pier provides landmark for monitoring system, institute
When stating spiral test tube and being stretched, the stretching of spiral test tube is convenient in the linking bearing driving spiral test tube rotation.
Further, the linking bearing includes inner ring, outer ring, retainer and steel ball, is arranged between the inner ring and outer ring
Steel ball, the retainer fix steel ball, and the spiral test tube is fixed in inner ring, when the spiral test tube is by axial tension,
The spiral test tube is acted on by frictional force drives inner ring movement, and the inner ring drives steel ball movement, the movement of the steel ball to add
The movement of fast inner ring, and then drive the rotation of spiral test tube.
Further, the detecting module is located at the rear settling position of slip mass, the detecting module connecting communication module,
The communication module wireless connection data receives terminal, and the communication module is GPRS radio transmission apparatus, the communication module
Remote data transfer platform is built using the short message and gprs service of GSM mobile communications networks, it will be in detecting module
In data transmission to data receiving terminal, the data receiving terminal is stored and is managed to the data received, the number
It is PC, mobile phone or work station according to terminal is received.
A kind of landslide depth big displacement self-adaptive monitoring method, includes the following steps：
(1) slip mass is reconnoitred, and confirms that emphasis monitors position；
(2) monitoring holes are bored from the earth's surface of slip mass to bedrock surface, and spiral is determined according to the deep of monitoring holes and measurement accuracy
The length of test tube and the quantity of space position indicator；
(3) multiple space position indicators are mounted in spiral test tube, then spiral test tube are inserted into monitoring holes, spiral test tube
Bottom end be fixed on 0.5m in bedrock surface hereinafter, the Rock And Soil dug out out of monitoring holes is backfilled in monitoring holes again, in spiral
Linking bearing is inserted in the upper end of test tube, and monitoring pier is built between linking bearing and earth's surface；
(4) when landslide occurs, spiral test tube is stretched, linking bearing driving spiral test tube rotation, with spiral test tube quilt
It stretches, the position of multiple space position indicators changes, and exports Spectral Characteristic, and multiple space position indicators are special by the wave spectrum of output
Sign is sent to detecting module by ultrasonic signal, and detecting module receives the ultrasonic signal of multiple space position indicators, and passes through
Analysis ultrasonic signal obtains the space coordinate of multiple space position indicators, and the space coordinate by analyzing multiple space position indicators obtains
To the spatial sequence data of spiral test tube, and then the deformation of spiral test tube is obtained, further obtains the displacement feelings of slip mass
Condition；
(5) all data of step (4) are transmitted in data receiving terminal by detecting module by communication module, data
The data that end-on receives are received to be stored and managed.
Compared with prior art, the invention has the advantages that：
1, the present invention using steel wire reinforcement polyurethane spiral test tube provide one be adapted to landslide large deformation stabilization,
The underground space of safety, internal monitoring instrument can be protected while the Rock And Soil compatible deformation with around, provides condition of power supply, real
The long-time of existing landslide depth large deformation, tracking control of full process monitoring.
2, the present invention emits different ultrasonic wave modes by the multiple space position indicators of ground receiver and determines that spiral test tube is empty
Between posture, indirectly obtain landslide depth Rock And Soil deformation space delta data, break through the limit of traditional landslide displacement monitoring means
System.
3, material involved in the present invention is mature technology, simple structure and reasonable design.
4, landslide big displacement monitoring may be implemented in monitoring system of the invention, solves traditional deviational survey monitoring method because of deviational survey
The destruction of pipe and the problem of fall short of success for lack of final effort, monitoring result is conducive to illustrate and judge the development trend of landslide displacement different phase,
Enrich and verify the forecasting procedure on existing landslide.
Description of the drawings
Fig. 1 is an a kind of schematic diagram of landslide depth big displacement adaptive monitoring system of the present invention.
Fig. 2 is a sectional view of spiral test tube tensional state in Fig. 1.
Fig. 3 is to monitor pier in Fig. 1 and be connected an enlarged drawing of bearing.
Fig. 4 is an a kind of schematic diagram of landslide depth big displacement adaptive monitoring system of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
It please refers to Fig.1 and Fig. 2, the embodiment provides a kind of landslide depth big displacement adaptive monitoring system,
Including spiral test tube 1, multiple space position indicators 2 and detecting module 3, multiple space position indicators 2 are mounted in spiral test tube 1, spiral shell
It revolves test tube 1 and is inserted into bedrock surface 12 from slip mass 13, the bottom end of spiral test tube 1 is fixed in bedrock surface 12, and detecting module 3 is located at cunning
The rear settling position of slopes 13,3 connecting communication module 4 of detecting module, 4 wireless connection data of communication module receive terminal (figure
In be not shown), in one embodiment, multiple space position indicators 2 connect power supply 7 by cable 6, and power supply 7 is to multiple space orientations
Instrument 2 is powered.
Referring to FIG. 2, the displacement measurement accuracy positive correlation of the quantity of space position indicator 2 and slip mass 13, the space is fixed
Position instrument 2 is in axial direction uniformly distributed in spiral test tube 1, is passed through between the space position indicator 2 and adjacent space position indicator 2
Cable 6 is electrically connected.
Spiral test tube 1 includes several pipeloops 11 being connected as one, and the making material of spiral test tube 1 is preferably steel wire reinforcement
The bottom end of polyurethane, spiral test tube 1 is fixed on 0.5m in bedrock surface 12 hereinafter, the top of spiral test tube 1 is on the ground of slip mass 13
The upper end of table, the spiral test tube 1 is inserted in linking bearing 8, and the exposed part of the spiral test tube 1 is fixed in monitoring pier 9,
Monitoring pier 9 provides landmark for monitoring system.
Referring to FIG. 3, linking bearing 8 includes inner ring 81, outer ring 82, retainer 83 and steel ball 84, the inner ring 81 and outer
Steel ball 84 is set between circle 82, and the retainer 83 fixes steel ball 84, and the spiral test tube 1 is fixed in inner ring 81, the spiral shell
When revolving test tube 1 by axial tension, the spiral test tube 1 is acted on by frictional force drives inner ring 81 to move, 81 band of the inner ring
Dynamic steel ball 84 moves, and the movement of the steel ball 84 accelerates the movement of inner ring 81, and then drives the rotation of spiral test tube 1.
Communication module 4 is preferably GPRS radio transmission apparatus, and the communication module 4 is short using GSM mobile communications networks
Information and gprs service build remote data transfer platform, by the data transmission in detecting module 3 to data receiving terminal
In, the data receiving terminal is stored and is managed to the data received, and the data receiving terminal is preferably PC, mobile phone
Or work station.
Under original state, between the pipeloop 11 and adjacent pipeloop 11 of spiral test tube 1 and tight, the slip mass 13 is subjected to displacement
When, the spiral test tube 1 bears axial tension and radial pressure, and the gap between pipeloop 11 and adjacent pipeloop 11 becomes larger and stretches
The length of spiral test tube 1, the linking bearing 8 drive spiral test tube 1 to rotate, and are convenient for the stretching of spiral test tube 1, multiple spaces fixed
Position instrument 2 changes according to the change location of the length of spiral test tube 1, and exports Spectral Characteristic, the multiple space position indicator 2
The Spectral Characteristic of output is sent to detecting module 3 by ultrasonic signal, the detecting module 3 receives multiple space position indicators
2 ultrasonic signal, and the space coordinate of multiple space position indicators 2 is obtained by analyzing ultrasonic signal, it is multiple by analyzing
The space coordinate of space position indicator 2 obtains the spatial sequence data of spiral test tube 1, and then obtains the deformation of spiral test tube 1,
Further obtain the misalignment of slip mass 13.
A kind of landslide depth big displacement self-adaptive monitoring method, includes the following steps：
(1) slip mass 13 is reconnoitred, and confirms that emphasis monitors position；
(2) monitoring holes are bored from the earth's surface of slip mass 13 to bedrock surface 12, are determined according to the deep of monitoring holes and measurement accuracy
The length of spiral test tube 1 and the quantity of space position indicator；
(3) multiple space position indicators 2 are mounted in spiral test tube 1, then spiral test tube 1 are inserted into monitoring holes, spiral
The bottom end of test tube 1 is fixed on 0.5m in bedrock surface 12 hereinafter, the Rock And Soil dug out out of monitoring holes is backfilled in monitoring holes again,
It is inserted in linking bearing 8 in the upper end of spiral test tube 1, monitoring pier 9 is built between linking bearing 8 and earth's surface；
(4) when landslide occurs, spiral test tube 1 is stretched, and linking bearing 8 drives spiral test tube 1 to rotate, with spiral test tube
1 is stretched, and the position of multiple space position indicators 2 changes, and exports Spectral Characteristic, and multiple space position indicators 2 are by output
Spectral Characteristic is sent to detecting module 3 by ultrasonic signal, and detecting module 3 receives the ultrasonic wave letter of multiple space position indicators 2
Number, and the space coordinate of multiple space position indicators 2 is obtained by analyzing ultrasonic signal, by analyzing multiple space position indicators 2
Space coordinate obtain the spatial sequence data of spiral test tube 1, and then obtain the deformation of spiral test tube 1, further obtain
The misalignment of slip mass 13；
(5) all data of step (4) are transmitted in data receiving terminal by detecting module 3 by communication module 4, number
It is stored and is managed according to the data that end-on receives are received.
Referring to FIG. 4, the operation principle of space position indicator 2 and detecting module 4：
Multiple space position indicators 2 emit signal and different spaces position indicator 2 in the form of emitting ultrasonic wave outward to earth's surface
It is respectively provided with different Spectral Characteristics, by taking Pn as an example, the detecting module 4 measures the straight line of itself and a certain space position indicator in underground
Distance and horizontal sextant angle α, vertical folder angle beta are that coordinate origin establishes coordinate system with detecting module 4, pass through correlation space coordinate meter
Calculating formula can convert to obtain the y-coordinate value of space position indicator Pn, z coordinate value and x coordinate value, similarly, it is fixed can obtain other spaces
The space coordinate of position instrument 2, obtains the spatial sequence data of spiral test tube 1, and be filtered by certain by data processing
The posture feature of spiral test tube 1 is obtained, when landslide depth displacement increases, spiral test tube 1 is stretched, due to the length redundancy of itself
It is set not to be destroyed thus can continue to be monitored.
The present invention provides a stabilization for being adapted to landslide large deformation, peace using steel wire reinforcement polyurethane spiral test tube
The full underground space can protect internal monitoring instrument while the Rock And Soil compatible deformation with around, provide condition of power supply, realize
The long-time of landslide depth large deformation, tracking control of full process monitoring.
The present invention emits different ultrasonic wave modes by the multiple space position indicators of ground receiver and determines spiral test tube space
Posture obtains landslide depth Rock And Soil deformation space delta data, breaks through the limitation of traditional landslide displacement monitoring means indirectly；
Material involved in the present invention is mature technology, simple structure and reasonable design；It is big that landslide may be implemented in the monitoring system of the present invention
Displacement monitoring solves the problems, such as that traditional deviational survey monitoring method falls short of success for lack of final effort because of the destruction of inclinometer pipe, and monitoring result is conducive to
Illustrate and judge the development trend of landslide displacement different phase, forecasting procedure that is abundant and verifying existing landslide.
Herein, the nouns of locality such as involved front, rear, top, and bottom are to be located in figure with parts in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of landslide depth big displacement adaptive monitoring system, which is characterized in that including spiral test tube, multiple space position indicators
And detecting module, the multiple space position indicator are mounted in spiral test tube, the spiral test tube is inserted into bedrock surface from slip mass,
The bottom end of the spiral test tube is fixed in bedrock surface, and the spiral test tube includes several integrally formed pipeloops, adjacent pipe
Circle is in the initial state and tight, and the gap when slip mass is subjected to displacement between pipeloop and adjacent pipeloop becomes larger and tensile coil
According to the variation of the length of spiral test tube change in location occurs for the length of test tube, multiple space position indicators, and exports wave spectrum spy
The Spectral Characteristic of output is sent to detecting module by sign, multiple space position indicators by ultrasonic signal, and the detecting module connects
The ultrasonic signal of multiple space position indicators is received, and the space seat of multiple space position indicators is obtained by analyzing ultrasonic signal
Mark, the space coordinate by analyzing multiple space position indicators obtain the spatial sequence data of spiral test tube, and then obtain spiral survey
The situation of change of pipe further obtains the misalignment of slip mass；
The top of the spiral test tube is in the earth's surface of slip mass, and the upper end of the spiral test tube, which is inserted in, to be connected in bearing, the rank
Joint bearing includes inner ring, outer ring, retainer and steel ball, and steel ball is arranged between the inner ring and outer ring, and the retainer fixes steel
Pearl, the spiral test tube are fixed in inner ring, and the exposed part of the spiral test tube is fixed in monitoring pier, and the monitoring pier is
Monitoring system provides landmark, and when the spiral test tube is stretched, spiral shell is convenient in the linking bearing driving spiral test tube rotation
Revolve the stretching of test tube.
2. landslide depth big displacement adaptive monitoring system according to claim 1, which is characterized in that the space orientation
The quantity of instrument and the displacement measurement accuracy positive correlation of slip mass, space position indicator in axial direction uniformly divide in spiral test tube
Cloth is electrically connected between the space position indicator and adjacent space position indicator by cable.
3. landslide depth big displacement adaptive monitoring system according to claim 1, which is characterized in that the spiral test tube
Making material be steel wire reinforcement polyurethane.
4. landslide depth big displacement adaptive monitoring system according to claim 1, which is characterized in that the spiral test tube
Bottom end be fixed on 0.5m or less in bedrock surface.
5. landslide depth big displacement adaptive monitoring system according to claim 1, which is characterized in that the multiple space
Position indicator connects power supply by cable, and the power supply is powered to multiple space position indicators.
6. landslide depth big displacement adaptive monitoring system according to claim 1, which is characterized in that the spiral test tube
When by axial tension, the spiral test tube is acted on by frictional force drives inner ring to move, and the inner ring drives steel ball movement, institute
The movement for stating steel ball accelerates the movement of inner ring, and then drives the rotation of spiral test tube.
7. landslide depth big displacement adaptive monitoring system according to claim 1, which is characterized in that the detecting module
It is located at the rear settling position of slip mass, the detecting module connecting communication module, the communication module wireless connection data connects
Terminal is received, the communication module is GPRS radio transmission apparatus, and the communication module utilizes the short message of GSM mobile communications networks
Remote data transfer platform is built with gprs service, by the data transmission to data receiving terminal in detecting module, institute
It states data receiving terminal the data received are stored and managed, the data receiving terminal is PC, mobile phone or work station.
8. a kind of landslide depth big displacement self-adaptive monitoring method, which is characterized in that include the following steps：
(1) slip mass is reconnoitred, and confirms that emphasis monitors position；
(2) monitoring holes are bored from the earth's surface of slip mass to bedrock surface, and spiral test tube is determined according to the deep of monitoring holes and measurement accuracy
Length and space position indicator quantity；
(3) multiple space position indicators are mounted in spiral test tube, then spiral test tube are inserted into monitoring holes, the bottom of spiral test tube
End is fixed on 0.5m in bedrock surface hereinafter, the Rock And Soil dug out out of monitoring holes is backfilled in monitoring holes again, in spiral test tube
Upper end be inserted in linking bearing, linking bearing and earth's surface between build monitoring pier；
(4) when landslide occurs, spiral test tube is stretched, linking bearing driving spiral test tube rotation, as spiral test tube is stretched,
The position of multiple space position indicators changes, and exports Spectral Characteristic, and multiple space position indicators lead to the Spectral Characteristic of output
It crosses ultrasonic signal and is sent to detecting module, detecting module receives the ultrasonic signal of multiple space position indicators, and passes through analysis
Ultrasonic signal obtains the space coordinate of multiple space position indicators, and the space coordinate by analyzing multiple space position indicators obtains spiral shell
The spatial sequence data of test tube are revolved, and then obtain the deformation of spiral test tube, further obtain the misalignment of slip mass；
(5) all data of step (4) are transmitted in data receiving terminal by detecting module by communication module, data receiver
The data that end-on receives are stored and are managed.
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| CN201710256988.1A CN106979743B (en) | 2017-04-19 | 2017-04-19 | A kind of landslide depth big displacement adaptive monitoring system and method |
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| CN109115145B (en) * | 2018-05-25 | 2019-08-20 | 中国地质大学（武汉） | A kind of embedded landslide depth large deformation monitoring device and method |
| CN110608691B (en) * | 2019-09-05 | 2021-03-09 | 三峡大学 | Landslide deep displacement real-time monitoring system and method based on sound source positioning |
| CN111624221A (en) * | 2019-11-22 | 2020-09-04 | 中国地质大学（武汉） | Landslide infrared field evolution monitoring system |
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| JPH01206207A (en) * | 1988-02-12 | 1989-08-18 | Oyo Corp | Apparatus for giving tension and measuring displacement |
| CH682347A5 (en) * | 1991-08-29 | 1993-08-31 | Kalman Prof Dr Kovari | |
| CN2863895Y (en) * | 2006-01-13 | 2007-01-31 | 重庆交通学院 | Prestress anchorage load monitoring device |
| CN101281068B (en) * | 2008-05-20 | 2010-09-08 | 重庆交通大学 | Nondestructive detecting method of prestress anchoring load |
| CN101667324B (en) * | 2008-09-03 | 2011-10-05 | 中国石油天然气股份有限公司 | Pipeline landslide monitoring and early warning method and system and construction method of system |
| CN102878893B (en) * | 2012-09-05 | 2015-12-02 | 三峡大学 | Landslide depth displacement monitoring system and method |
| CA2815199A1 (en) * | 2013-05-02 | 2014-11-02 | 059312 N.B. Inc. | Cyclical sensor array |
| CN103822602B (en) * | 2014-02-26 | 2017-01-11 | 三峡大学 | Multi-channel large deformation landslide displacement automatic monitoring device and method |
| CN104061891B (en) * | 2014-06-11 | 2017-02-15 | 重庆地质矿产研究院 | High-precision large-range displacement measuring device for ground surface |
| CN105091840A (en) * | 2015-05-04 | 2015-11-25 | 中国地质科学院探矿工艺研究所 | Guide-wheel-free inclinometer for measuring deep displacement of landslide and installation method thereof |
| CN105674945B (en) * | 2016-02-04 | 2018-02-27 | 浙江大学 | A kind of submarine landslide monitoring device and monitoring method based on MEMS sensor |
| CN106193029B (en) * | 2016-06-30 | 2018-07-27 | 重庆交通大学 | Slope retaining anchor pile |
| CN207007089U (en) * | 2017-04-19 | 2018-02-13 | 中国地质大学（武汉） | A kind of landslide depth big displacement adaptive monitoring system |
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